You are 40 years old if you were born on October 5, 1983.
You are 40 years 6 months, 2 weeks, and 4 days old or 486 months old or 2,115 weeks old or 14,811 days old or 355,464 hours old or 21,327,840 minutes old or 1,279,670,400 seconds old You were born on a Wednesday.